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How to invoke a Linux shell command from Java
...files in a directory and its subdirectories, recursively, in chronological order.)
By the way, if somebody can tell me why I need four and eight backslashes there, instead of two and four, I can learn something. There is one more level of unescaping happening than what I am counting.
Edit: Just tr...
How do I enumerate the properties of a JavaScript object? [duplicate]
...JavaScript provides hasOwnProperty(), and this is why you should use it in order to ensure that third party code (or any other code that might modify a prototype) doesn't break yours. Apart from adding a few extra bytes of code, there is no downside to using hasOwnProperty().
...
Epoch vs Iteration when training neural networks
...set (i.e., once for each training instance), it completes one epoch.
In order to define iteration (a.k.a steps), you first need to know about batch size:
Batch size: You probably wouldn't like to process the entire training instances all at one forward pass as it is inefficient and needs a huge...
Join vs. sub-query
...M foo
GROUP BY moo
HAVING bar LIKE 'SpaceQ%'
) AS temp_foo
ORDER BY bar
You can nest sub-queries in multiple levels. This can help on huge datasets if you have to group or sort the results. Usually the DB-Server creates a temporary table for this, but sometimes you do not need sort...
About Java cloneable
...are looking for, you'll still need to implement your own clone() method in order to make it public.
When implementing your own clone(), the idea is to start with the object create by super.clone(), which is guaranteed to be of the correct class, and then do any additional population of fields in ca...
How can I configure NetBeans to insert tabs instead of a bunch of spaces?
...may also need to have "All Languages" selected in the Language dropdown in order for the tabs options to be visible. (If I have a Python file open, it defaults to the the Python language-specific settings.)
– CrazyPyro
Jun 3 '14 at 19:32
...
How to get arguments with flags in Bash
... $last_argument";
}
This will allow you to use flags so no matter which order you are passing the parameters you will get the proper behavior.
Example :
DOSOMETHING -last "Adios" -first "Hola"
Output :
First argument : Hola
Last argument : Adios
You can add this function to your profi...
Check whether a string matches a regex in JS
... had to remove double quotes in new RegExp("^([a-z0-9]{5,})$") in order to make it work
– Facundo Colombier
Oct 17 '18 at 19:30
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How do you effectively model inheritance in a database?
...iminator value), whereas target per entity you need to do complex joins in order to detect what type something is as well as retreiuve all its data..
Edit: The images I show here are screen shots of a project I am working on. The Asset image is not complete, hence the emptyness of it, but it was ma...
Correct idiom for managing multiple chained resources in try-with-resources block?
...r comments: simplest is (2) to use Closeable resources and declare them in order in the try-with-resources clause. If you only have AutoCloseable, you can wrap them in another (nested) class that just checks that close is only called once (Facade Pattern), e.g. by having private bool isClosed;. In p...